| Zschokke, S.; Baur, B., 2002. Inbreeding, outbreeding, infant growth, and size dimorphism in captive Indian rhinoceros (Rhinoceros unicornis). Canadian Journal of Zoology 80: 2014-2023, figs. 1-3, tables 1-5
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| Baur, B.; Studer, P., 1995. Inbreeding in captive Indian rhinoceros Rhinoceros unicornis. International Zoo Yearbook 34: 205-211, figs. 1-2, table 1
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